Buildkite change history: Degraded performance and increased error rates

Buildkite reported a major degradation starting 2026-04-08 22:26 UTC, resolved at 2026-04-08 23:12 UTC (45 min). Customers experienced website and API latency, triggered and scheduled build delays up to 12 minutes, and Agent API errors; notifications were queued and processed. Buildkite said it fixed the issue and notification latency returned to normal.